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Class Number: 198 Class Title: CONVEYORS: POWER-DRIVEN Subclass Subclass Number Title 300 CONVEYING APPARATUS ENTIRELY SUPPORTED BY MOBILE GROUND ENGAGING MEANS 301 .Condition responsive control means for vehicle or conveyer 302 .Retractable ground wheel 303 .Including three relatively movable interconnected wheel or track equipped vehicles 304 .Dirigible vehicle 305 ..Pulling winch on vehicle 306 .Ground wheel lockable in transverse or longitudinal position on vehicle 307.1 .Bucket conveyor 308.1 .Shovel or tine pushable under load 309 .Support slidable on ground 310 .Conveyer driven by motion of ground-engaging element 311 .Including gravity conveyer section or bin with driven conveyer 312 .Conveyer shiftably mounted on vehicle 313 ..Contractible or foldable conveyer section 314 ..Separate conveyers serially arranged on single vehicle 315 ..Power means for shifting conveyer 316.1 ...Fluid-actuated ram 317 ..Horizontally swingable conveyer 318 ..Vertically swingable conveyer 319 ...Means for maintaining conveyer-drive motor support in level position 320 ...Winch-operated shifting mechanism 321 CONVEYER OR ACCESSORY THEREFOR SPECIALIZED TO CONVEY PEOPLE 322 .With means to control the operation of the section 323 ..By means responsive to an unsafe operating characteristic of the system 324 .With means to facilitate passenger entry or exit 325 ..By support having interdigitating members (e.g., comb plate, etc.) 326 .By stairway having steps forming an endless member 327 ..Having hinged plates forming steps 328 ..Trained about vertical axis or axes 329 ..With means allowing tensioning of the endless member 330 ..With drive means 331 ...With means synchronizing the operation of the steps and a handrail 332 ..With paired track step levelers 333 ..With specified step structure 334 .By support means having a zone of varying speed 335 .Moving hand-support structure 336 ..With handrail tensioning means 337 ..Specific handrail configuration 338 ..Handrail guard 339.1 WITH MEANS TO FACILITATE WORKING, TREATING, OR INSPECTING CONVEYED LOAD AT A STATION 340 .Having signalling or load identifying means 341 .Condition responsive control of conveyer or station apparatus 343.1 .Load supporting conveyor portion is retarded or stopped with load at station without being disconnected from remainderr of continuously moving conveyer 343.2 ..Load supporting conveyor portion is movably secured to conveyor drive 345.1 .Means engaging conveyor or load on a conveyor to align load for working 345.2 ..Means engages conveyor to fix conveyor position relative to station 345.3 ...Means engages a conveyor portion (i.e., pallet) which is separable from the conveyor drive to fix the position of said conveyor portion 346 .Static means for supporting load or workman adjacent conveyer for operation on load 346.1 .Means to convey a palleted load back and forth between an initial location and the work station 346.2 .Means to transfer a load back and forth between the mainline conveyor and the work station 346.3 .Conveyor(s) lowers the load to at least one of a plurality of fixed work stations 347.1 CONVEYOR SYSTEM HAVING AUXILIARY SECTION FOR STORING ITEMS MOVING BETWEEN SOURCE AND DESINATION 347.2 .Auxiliary section has the same entrance and exit 347.3 ..Auxiliary section has a reversibly driven conveyor for bidirectional article movement 347.4 .Plural laterally spaced, same direction auxiliary paths 348 CONVEYER ARRANGEMENT FOR SELECTING AMONG PLURAL SOURCES OR DESTINATIONS 357 .Condition responsive control means to prevent collision on merging conveyors 358 .Condition responsive control means including sensing condition of source or destination 349 .With selection responsive to means containing or introducing changeable operating instructions 349.1 ..By synchronously moving signal carrier distinct from conveyer 349.2 ...Moving at different velocity than conveyer 349.3 ....Rotary signal carrier 349.4 .....Magnetic means on rotary carrier stores code 349.5 ..Using central memory to store code until article is discharged 349.6 ...Memory stores plural sources or destinations 349.7 ....Inventory also in memory 349.8 ....Material detector indexes code 349.9 .....Plural, longitudinally spaced, material detectors index code 349.95 ....Conveyer detector indexes code 350 ..By magnetic means 351 ..By selectively positioned abutment means 352 ...Having plural abutments arranged in a specific pattern 353 ...Having support means slidably mounting abutment means 354 ...Having an abutment support containing a plurality of abutment receiving means 355 ..By repositionable contact or switch actuator 359 .With gravity-conveying means 360 ..By movably mounted, load-supporting, gravity section 361 ...By repositionable idler roll or rollway 362 .By directing the load to or from a conveying section from or to selected sources or destinations 363 ..By proportioning the feed from multiple sourcess 364 ..By moving a load directing means along the length of the section 365 ..By discharging from a section including independently movable load supporting portions 366 ..By selecting one of a plurality of supply or discharge paths 367 ...By material-diverting means placed across the load path 367.1 ....Material diverted by plural, successive gates 367.2 ....Plural, manually manipulated gate actuators 368 ...By a selectively movable stop means 369 ...By means connecting the system with a normally spaced path 370 ..By loading or unloading section at selected one of a plurality of preestablished locations along the length thereof 371 ...By reversibly driving the section 372 ..By shifting the load from the section 373 CONVEYER FOR CHANGING ATTITUDE OF ITEM RELATIVE TO CONVEYED DIRECTION 374 .By optionally facing successive items according to a predetermined recurring cycle 375 .By actuating item-holder relative to holder-carrying conveyer 376 ..With holder-actuating means responsive to item-sensing means 377 ..Holder carried by orbiting conveyer 378 ...Holder or conveyer moves intermittently (e.g., for "indexing" load) 379 .By gripping item and turning item about fixed axis 380 .With pressurized fluid causing change in attitude 381 .With magnetism causing change in attitude 382 .By conveying randomly faced items and turning items to uniform facing 383 ..Including significantly shaped portion of conveyer cooperating with significantly shaped item to face item 384 ...Including orbiting progression of item-receiving pockets and means moving item within pocket 385 ....By roller/finder to move item and/or fit surface indentation on item 386 .....Roller/finder rotating about plural axes 387 ....Pockets comprise grooved, transversely disposed rollers 388 ...Including protruding portion of conveyer entering end of slotted or hollow item 389 ...For shaped item suspended in or by shaped passageway 390 ...For shaped item fitting outline of shaped passageway 391 ...Via vibrating bowl having shaped passageway 392 ...Via rotating means having shaped passageway or exit 393 ...Including orbiting progression of item-fitting elements passing through supply of scrambled items 394 ..By conveying an item that has a position characteristic and rotating the item until it is positioned 395 ..With control means actuated in response to sensing of improperly faced item 396 ..Including separating item from scrambled supply hopper 397 ...By orbiting progression of item-receiving pockets passing through supply 398 ..By distinguishing between alternatively faced items and conveying uniformly faced items 399 ...By turning only improperly faced items to uniform facing 400 ...By partially turning all items to uniform facing and direction 401 .With control means for attitude-changer responsive to sensing of itemm 402 .For inverting successive items 403 ..By means driven for inverting conveyed items 404 ...Orbiting conveyer-inverter means 405 ....Twisted-belt conveyer means 406 .For changing both the elevation and the posture of successive items 407 ..By plural, sequentially acting conveyers 408 ..By an orbitally moving conveyer 409 ..By an oscillating or reciprocating conveyer 410 .By plural distinct occurrences of turning each successive item 411 .By conveyer and means driven for turning successive conveyed items 412 ..By means between successive conveyer sections or conveyer elements 413 ...By means which interdigitate with conveyer sections or elements 414 ....By turntable which lifts, turns and lowers item(s) 415 ..By plural, unequal-speed members simultaneously contacting and conveying items 416 .By member adjacent conveyer for contacting successive conveyed items 417 ..Longitudinally twisted item-bounding passageway 418 CONVEYER SYSTEM FOR ESTABLISHING AND MOVING A GROUP OF ITEMS 418.1 .Having items discharged from plural distinct outlets into group 418.2 ..With outlets longitudinally spaced along path of progressively formed group 418.3 ...Superposes items within group 418.4 ..With vertically aligned outlets discharging in the same direction and superposing items 418.5 .Having plural successive groups discharged by single conveyer into larger group 418.6 .Having conveyer drop grouped items simultaneously onto another conveyer 418.7 .Subdivides continuous item stream into longitudinally spaced groups 418.8 ..By offsetting first or last article 418.9 ..And imbricates items within group 419.1 ..By item engaging stop means 419.2 ..By different speed conveyers 419.3 ...With spaced dividers on conveyer limiting group size 426 .By shifting group of items simultaneously from stream conveyer to form a group 427 ..And distributing items of group into plural streams 428 ..By air blast or suction 429 ..By reciprocating shifter 430 ...Having oblique or orbital movement 431 .By depositing items successively from one conveyer onto group conveyer 432 .By shifting group from row conveyer onto row conveyer 433 .By shifting group from row conveyer onto stream conveyer 434 CONVEYER SYSTEM FOR ARRANGING OR REARRANGING STREAM(S) OF ITEMS 435 .By distributing items onto vertically tiered conveyer/receiver 436 .By distributing items from one stream into plural streams 437 ..With control means responsive to sensing means 438 ..By air blast or suction diverter 439 ..By magnetic diverter 440 ..By orbiting progression of item engaging elementss 441 ...On rotating carrier (e.g., star wheel, etc.) 442 ..By interposing a guide into path of stream 443 .By queueing items from quantity source of items into stream(s) of items 444 ..With control means responsive to sensing means 445 ..Forming plural streams 446 ...By jiggling items into streams 447 ...And merging plural streams into one stream 448 ..Merging plural streams (i.e., source) into one stream 449 ...By synchronized orbiting progression of item-engaging elements 450 ....On rotating carrier (e.g., star wheel, etc.) 451 ...By synchronized gate(s) in paths of plural streams 452 ...By guide means in paths of streams 453 ..Via throat for restricting flow of massed items 454 ...With supplementary moving surfaces that form throat 455 ....Including retro-moving surface 456 .By laterally or vertically moving successive items in longitudinally moving stream 457 ..To change direction of longitudinally moving stream 458 ..To respace plural streams laterally 459 .By longitudinally respacing successive items in stream 460 ..With space-control means responsive to item-sensing means 461 ..By successive conveyers having dissimilar speeds 462 ...To crowd or imbricate items in stream 463.1 CONVEYOR SYSTEM FOR MOVING A SPECIFIC LOAD AS A SEPARATE UNIT 463.2 .System includes a linear conveyor or portion thereof which bodily shifts transversely to move a load in synchronization with a transverse, continously operating conveyor section 463.3 .System includes linear conveyor or portion thereof which shifts to lift or lower load before or after linearly conveying load relative to adjacent conveyor section 463.4 .System includes gate means 463.5 ..Load obstructing gate and means for lifting load over the obstruction 463.6 ..Plural successively operated gate means 464.1 .System includes control means responsive to sensing means 464.2 ..Responsive to load presence or obsence 464.3 ...Responsive to condition of at least one conveyor 464.4 ..Responsive to undesired condition of load 465.1 .System includes a load supported by a conveyor portion which is separable from the conveyor drive 465.2 ..Wherein the conveyor portion moves in a closed path in the horizontal plane only 465.3 ..Wherein the conveyor portion is supported and driven adjacent its opposite sides by horizontally spaced drives 465.4 ..Wherein the conveyor portion supports the load below the drive 466.1 .System includes a T-shaped or headed load suspended between parallel conveyors directly 467.1 .System includes a rotating screw 468.01 .System includes an oscillating or reciprocating load engaging element 468.2 ..Comprising load gripping elements 468.3 ...Gripping elements movable relative to one another to space articles in the load 468.4 ...Suction gripping elementss 468.5 ...Magnetic or electrostatic gripping elements 468.6 ..Engaging element moves load vertically and horizontally 468.7 ...Element pushes load over nonlinear support 468.8 ..Engaging element moves load vertically only 468.9 ..Engaging element moves load horizontally in a straight line 468.1 ...Element pushes load over separate support and has nonlinear path of travel 468.11 ...Element pushes load over separate support and has linear path of travel 469.1 .System includes a rotating or endless carrier with a load engaging element 470.1 ..Comprising a load gripping element 471.1 ...Suction gripping element 472.1 ...Magnetic or electrostatic gripping element 473.1 ..Nongripping elements are adjustable or replaceable for different sized loads 474.1 ..With means to move load engaging elements relative to carrier 475.1 ...Whereby the load engaging component moves relative to the carrier to maintain load in a desired position during travel along a curved path 476.1 ...Element is shifted to discharge or receive a load 477.1 ....Element is only shifted with the load during discharge 478.1 ..Carrier rotates about a fixed axis 479.1 ...Elements push the load over a separate support 480.1 ....With a load retaining guard means 481.1 ...With load retaining guard means 482.1 ..Means mounted on the engaging element to forceably eject the load from the element 483.1 ..Means moveable mounted inside the path of the element to eject the load 484.1 ..Elements comprise a nongripping pair of members which self-open as they pass through a curved path 485.1 ..Nongripping elements support the load below the endless carrier 486.1 ...Elements are hooks 487.1 ..Nongripping elements are laterally projecting pins which engage the interior of a hollow load 493 CONVEYER HAVING IMPINGING FLUID TO FEED, SHIFT OR DISCHARGE LOAD; OR MEANS TO FACILITATE CLEANING OF CONVEYER; OR STERILIZING OR LUBRICATING MEANS 494 .Having cleaning means 495 ..By fluid applying means 496 ..By conveyer contacting brush 497 ..By conveyer contacting scraper 498 ...Having a moving scraper 499 ...With scraper biasing means 500 .Having lubricating means 501 ..For rollers forming belt troughing structure 502.1 WITH ALARM RINDICATOR 502.2 .Means for measuring dimensions (height, width, or length) of load on a conveyor 502.3 .Means for indicating position of unit load 502.4 .Means responsive to conveyor movement to indicate speed or to actuate alarm due to abnormal speed 506 CONVEYER HAVING MEANS SPECIALIZED FOR COLLECTING A LOAD FROM A STATIC SUPPORT (E.G., THE GROUND, ETC.)) 507 .Having control means responsive to load condition or unsafe operating condition 508 .Having means to form a pile on a static support 509 .Having buckets specialized to gather load batches 510.1 .Power-driven feed means 511 ..Having vertically adjustable feeding means 512 ..Paired feeding means 513 ...Opposite hand screws 514 ...Opposed load engaging pushers 515 ....Orbiting progressions of pusher elements 516 .....Mounted on endless carriers 517 ..Reciprocating pusher feeding means 518 ..Rotating feeding means 519 .Having means mounting conveyer for pile surface attack 520 .Self-gathering pusher 521 .By vibratory trough entrance means 522 .Having passive material collecting means 523 CONVEYER SYSTEM HAVING A GRAVITY CONVEYER SECTION 524 .Condition responsive 525 .With means to affect flow 526 ..Moving flow control means coordinated with power-driven conveyer section 527 ...Successive power-driven conveyer sections 528 ..Power-driven conveyer section operatively engages adjustable gravity section 529 ..Conveying element of power-driven conveyer section manipulated to effect load discharge 530 ..Gate 531 ...Actuated by, or otherwise coordinated with, power-driven conveyer section 532 ...In generally vertical exit path of gravity discharge material holder 533 ..By agitating, stirring, vibrating, etc. 534 ..By retarding velocity or reducing volume 535 ..Adjustably mounted conveyer section 536 ...Section is terminal one of system 537 .With means to handle portion of load which becomes separated from main flow path 538 .Conveyer section(s) adjustable for nonoperative purpose (e.g., storage, transport, etc.) 539 .Including a load-supporting bridging element (e.g., horizontal surface) between conveyer sections 540 .Gravity discharge material holder is source of supply, discharging by gravity to power-driven section 541 ..With at least one more gravity section therebetween 542 ...And having plural, successive power-driven sections 543 ..With at least one more successive power-driven section 544 ...Of the apron belt type 545 ...Of the screw type 546 ..Followed by at least one gravity section 547 ..Apron belt type of discharge-receiving, power-driven section 548 ..Screw type of discharge-receiving, power-driven section 549 ..Bucket type of discharge-receiving, power-driven section 550.01 .Bin having a power-driven conveyor section for discharging or feeding discharge to a gravity or power-driven section 550.2 ..Having adjustable bin or discharge means 550.3 ..Excess material on power-driven discharge means returned to binn 550.4 ..Power-driven discharge means feeds to a subsequent gravity section 550.5 ..Power-driven discharge means feeds to a subsequent power-driven section 550.6 ...Of the screw type 550.7 ...Of the bucket type 550.8 ...Of the scraper type 550.9 ...Of the apron type 550.1 ..Screw type power-driven discharge means 550.11 ..Bucket type power-driven discharge means 550.12 ..Scraper type power-driven discharge means 550.13 ..Apron type power-driven discharge means 560 .Power-driven conveyer section feeding to gravity section (i.e., gravity discharge material holder, or gravity flow path) feeding in turn to another power-driven section 561 ..Gravity conveyor section fed by one run of power-driven section, and feeding in turn to another run of the same section 562 .Gravity conveyor section is gravity flow path feeding to power-driven section 563 ..Followed by gravity section (i.e., gravity discharge material holder, or gravity flow path) 564 ..Thrower type power-driven section 565 ..Plural gravity sections 566 ..Plural power-driven sections 567 ...Serially arranged 568 .Plural power-driven conveyor sections feeding to gravity section (i.e., gravity discharge material holder, or gravity flow path) 569 .Power-driven conveyor section feeding to plural gravity sections (i.e., gravity discharge material holder, or gravity flow path) 570 CONVEYING SYSTEM HAVING PLURAL POWER-DRIVEN CONVEYING SECTIONS 571 .With condition responsive control of a section 572 ..By means responsive to presence or condition of load 573 ...By overload sensing 574 .Conveyer carried by load-engaging conveyer 575 .With means controlling the interrelated operation of plural sections 576 .With means operating successive sections in timed relation 577 .With means for altering the speed (e.g., accelerating, decelerating, stopping,reversing, etc.) of a section 578 .Having a cyclically swingable section 579 .With means operating successive sections at different speeds 580 .Recycling load in a closed path 581 .With means allowing a section to fold upon itself 582 .With supply chamber for system 583 .With means connecting sections for quick assembly of disassembly 584 ..By means allowing relative movement of joined sections 585 .Including tripper 586 .With relatively adjustable sections 587 ..By means mounting a section for lateral swinging movement 588 ...With means to vary the effective length of the system (e.g., telescoping sections 589 ...With means mounting a section to swing about a generally horizontal axis 590 ...With yieldable side wallss 591 ...With a curved guide or support 592 ..By means mounting a section to swing about a generally horizontal axis 593 ...With flexible means and winding drum 594 ..By means to vary the effective length of the system 595 ...By nested trough sections 596 ....With opposed gripper means 597 .Including power-driven means for laterally shifting a conveyer-engaged load 598 ..By a revolving or pivotal member 599 .Including non-driven means for moving load relative to conveyer 600 .Including rest for transient load 601 .Forming plural conveying paths feeding to single conveying path or vice versa 602 .Forming a single conveying path 603 ..Superposed sections forming an ascending or descending zigzag conveying path 604 ..Load simultaneously engaged between and moved by coacting conveyers 605 ...With load transfer between coacting conveyers 606 ..Plural sections each formed of or including a closed flexible loop 607 ...With elevating or lowering section 608 ..Plural rotating sections 609 ..Plural vibratory sections 610 ..Diverse sections 611 ...Having a rotating section 612 ....With load engaging element carried by the rotating section 613 .....Element retractable to disengage from load 614 ....And a reciprocating section 615 CONVERTIBLE 617 PROCESSES 618 CONVEYER SECTION 619 .Load propelled as the reactive means in a linear motor or moving magnetic field 620 .Load simultaneously engaged between and moved by a plurality of driven conveyer members 621 ..Reciprocating member 622 ..Oppositely moving members (e.g., doffing, etc.) 623 ..Wherein the velocities of at least two of the members are not equal 624 ..Rotary members 625 ...Screw type 626.1 ..Opposed endless belts 626.2 ...Load is enclosed by belts 626.3 ....Having means to adjust one belt relative to the opposed belt 626.4 .....By biasing means 626.5 ...Having adjustable belt portion 626.6 ....By biasing means 629 .Diverse 630 .Moving wave type 631 .Conveyer section or portion thereof cyclically rotates, shifts or oscillates for a extra-conveying function 632 .Conveyer section folds to facilitate transportation or storage of section 633 .Movement of load changed relative to conveyer movement onn contact of load with passive means 634 ..Load responsive means or timing means controls load engaging means 635 ..Stripper (e.g., static scraper) 636 ..Passive means causes load to move laterally of conveyer 637 ...To discharge load from conveyer 638 .Thrower 639 ..Condition responsive control 640 ..With guide or deflector for material thrown 641 ..Adjustable means to control trajectory distance or direction 642 ..Rotary 643 .Endless belt strand or chain-like member to lift viscous fluid 644 .Conveyer for signatures 657 .Screw 658 ..Including rotating load confining means (e.g., tumbler) 659 ..Including a deformable element 660 ..Including an axially adjustable helical surface formation 661 ..Having axially varying capacity 662 ..Plural helical surface formations 663 ...Separate, parallel formations supporting same load 664 ...Transversing less than 360 degrees 665 ....And reversible 666 ...Coupled end-to-end 667 ....With intermediate drive 668 ....Pivotably 669 ...Of opposite hand 670 ..With means for controlling flow or to assist conveying 671 ..With means to assist in discharging from or feeding to the housing of the helical surface information 672 ..Including bearing means 673 ...Bearing means directly engages periphery of the helical surface formation 674 ..Including drive means 675 ...Having reversible or variable speed 676 ..Helical surface formation structure 677 ..With means for securing helical surface formation to driving member 678.1 .Endless conveyor having means for suspending load 679 ..Magnetic means 680 ..Means engagable with hanger to change hanger position relative to drive means or to release load 681 ..Load directly suspended from means spanning between parallel drive means 682 ..Having lock connection between hanger and load engaging means 683 ..Articulated drive means provided with non-load supporting guide means 684 ..Having means interengaging articulated drive and drive means therefor 685 ..Elongated drive means and hanger interengaging means 686 ...Strand or cable drive means connected to hanger below hanger support means 687 ...Chain or pivotally connected members drive means connected to hanger below hanger support means 687.1 ..Separable conveyor portion 688.1 .Having means to enhance the friction or adherence between the conveyor and load at random locations on conveyor 689.1 ..Suction 690.1 ..Magneticc 690.2 ..Transversely extending enlongated ridge means formed on or attached by nonmechanical means to the conveyor 691 ..Electrostatic 692 ..Impaling 693 ...Having impaled load removal assisting means 697 ..Load-engaging belt having separate load-impelling, projecting member swingably mounted thereon 698 ..Load-engaging belt having load-impelling, projecting cross members (e.g., slat, etc.) joined thereto by mechanical fastening means 699 ...Belt formed of a continuous member of flexible sheet-type material (e.g., canvas, etc.) 699.1 ..By a plurality of laterally spaced, projecting members on the conveyor 700 .Single suspended loop 701 .Bucket 702 ..To convey liquid 703 ..Having means to facilitate loading or discharging load from bucket 704 ...Bucket has door means to release load 705 ...Having means to engage and move load from bucket 706 ...Having means to pivot bucket relative to endless drive means 707 ..Interconnected buckets form chain 708 ..Having means to close gap between buckets 709 ..Having means to adjust tension on endless bucket carrier 710 ..Slide and guide or wheel and track means to movably support bucket 711 ..Bucket with connection to endless band or strand-type carrier 712 ..Bucket with connection to endless chain or link-type carrier 713 ..Bucket structure 714 ...Composite 715 .Flexible pocket 716 .Flight means in conduit for lifting flowable solid material 717 .Pusher conveyer and separate load support surface 718 ..Condition responsive control 719 ..Having means to prevent damage to conveyer 720 ..Having means to recycle conveyed load 721 ..With antifriction or movable supporting surface 722 ..Rotating pusher 723 ...To move load in an arcuate path 724 ....Wherein path is helical 725 ..Endless-orbiting pusher or its load support 726 ...Coacting plural pushers in plural orbits 727 ...Pusher edge configured to load-support surface 728 ...Pusher connected to endless pusher-carrier 729 ....With carrier drive or guide means configured to pusher 730 ....Integral element forming pusher, connection and carried link 731 ....By detachable or adjustable connection 732 ....By pivot between pusher and carrier 733 ....By connection to single carrier 734 ...Pusher-surface configuration 735.1 ...Load support, casing, shield or auxiliary attachment 735.2 ....Modules connectable end to end with no relative movement 735.3 ....Door, casing, cover, or load supporting surface 735.4 .....Casing or load supporting floor with door 735.5 .....Removable cover overlying the conveyorr 735.6 ....Modules connected end to end permitting relative angular positioning (e.g., due to uneven ground) 736 ..Reciprocating pusher 737 ...Plural laterally spaced alternately acting 738 ...Mounted on a carrier 739 ....Carrier has a swinging path of movement 740 ....Carrier has an orbital path of movement 741 ....Plural pushers 742 .....Oscillating about axis or axes 743 ......Axis or axes transverse to path of travel 744 .......Axis or axes below load support surface 745 ......Axis or axes perpendicular to load support surface 746 ....Pivotally mounted pusher 747 ...Pusher having linear path of movement 748 ....Moved by endless actuator 749 ...Pusher configuration 750 .Reciprocating conveying surface 751 ..With control means responsive to sensor means 752 ..Vibratory conveying member 753 ...Selectively operated to reverse direction of movement 754 ...With flexible-belt extension 755 ...With retrograde-movement preventer 756 ...Having helical path 757 ....Confined within a bowl 758 ...Coupled parts from single vibratory trough 759 ...Conveying member having support or drive 760 ....With damper for conveying member or support 761 ....With means to control load speed 762 .....By control of motor speed 763 ....Support for conveying member 764 .....Pivotal link support 765 .....Rolling contact support 766 .....With drive causing conveying member vibration 767 ......With damper for drive 768 ......By fluid means 769 ......By electromagnetic means 770 ......By unbalanced weights 771 ...Conveying member configuration 772 ..With retrograde movement preventer 773 ..Including set of alternately-acting load-support members 774.1 ...Longitudinally extending interdigitated sets (lifted by oscillating arms, etc.) 775 ....Each set movable 776 .....Sets move through a closed-loop path 774.2 ....Load support member lifted by inclined supporting fluid actuators 774.3 ....Load support members lifted by supporting, eccentric cam or rotating crank drive 774.4 ....Load support members lifted by inclined supporting surface 777 ...Including transverse pivoted sets of alternately acting load-support members 778 .Spiral 779 .Load-supporting rolls moved about endless path 780 .Live roll 781 ..Roll drive means engages, disengages or slips responsive to lod position or blockage 782 ..Having means to adjust position of roll relative to loadd (i.e., vertically, horizontally, angularly, etc.) 783 ..Having intermittent, periodic, timed or programmed drive for rolls 784 ..Arranged or having means to change load speed 785 ..Roll(s) center load on conveyer 786 ..Load moves axially of roll 787 ..Rolls causes load to travel curved path 788 ..With motor means for roll 789 ..Roll drive means 790 ...Belt drive 791 ...Gear drive 792 .Conveyer having a zone of varying speed 793 .Unit load conveying surface means moved about an endless or rotating path 794 ..With manual, position or condition responsive drive control 797 ..Unit load conveying means maintained in uniform orientation while transiting from one direction to another 798 ...By coacting with guide only while transiting from one direction to another 799 ...Plural endless means support and maintain conveying surface horizontally orientated while moving around associated but axially displaced sprockets power-driven section 800 ...By constant engagement with guide means throughout conveying course of travel 801 ..Conveying surface elevates load and has cantilever-type connection with endless means 802 ..Conveying surface movable relative to path 803.01 ..Holder is removable or replaceable relative to drive 803.2 ...Holder supported and driven by horizontally spaced drive 795 ...Each conveying surface means abbutted and pushed by succeeding conveying surface means 803.3 ..Holder grips load 803.4 ...Relatively adjustable grippers space portion of load 803.5 ...Suction gripper 803.6 ...Magnetic or electrostatic gripper 803.7 ...Gripper portion biased to load engaging portion 803.8 ...Gripper portion made of resilient material which is self biased into engaging position 803.9 ...Cam means moves at least one portion of the gripper to a load engaging position 803.1 ...Gripping portions self-open as they pass through a curved path 803.11 ..Nongripping holder is adjustable for different sized loads 803.12 ..Holder for hollow load contacted interiorly 803.13 ..Holder formed of nongripping elements which self-open as they pass through a curved path 803.14 ..Holder means forms recess to receive or seat load 803.15 ..Holder means forms an aperature for receiving load 803.16 .Rotary conveyor without specific locations for supporting randomly placed articles or bulk material 804 .Endless conveyer 805 ..Magnetically guided, supported or driven 806 ..Revolvable means engaging carrier belt face automatically skews to correct belt training deviation 807 ...With power drive (e.g., pressure cylinder or electric motor, etc.) for skewing revolvable meanss 808 ...With revolvable means supporting belt in transversely troughed form 809 ..Vertically shiftable belt situated between auxiliary load supports 810 ..Condition responsive 811 ..Pressurized fluid or suction applied to carrier belt to modify its reaction with support 812 ..Having variable conveying length 813 ..Device for tensioning belt 814 ...With spring biasing means 815 ...With counterweight 816 ...With screw adjusting means 817 ..Separate, parallel conveying reaches supporting same load 818 ..Having upwardly facing trough configuration in transverse direction on conveying reach 819 ...Edges movable together to enclose load 820 ...Having preformed trough shape 821 ....Formed of or including a continuous member of sheet-like material (e.g., canvas, etc.) 822 ....Formed or including transverse plates tandemly disposed lengthwise of carrier belt 823 ...Supported in trough form by separate, unattached means engaging carrier belt face 824 ....Roller or roller assembly 825 .....Independently rotatable rollers canted relative to each other 826 ......Means for selectively adjusting angle between rollers to vary carrier belt shape 827 ......Pivotally linked rollers form chain supported only at its ends 828 ......Roller-supporting transverse frame connected to side-frame stand 829 ......Individually cantilevered roller 830 ......Transverse frame carrying at least three transversely spaced roller supports 831 ..Upper and lower runs of same belt travel vertically aligned, laterally bending paths 832 ..Carrier belt drive means 832.1 ...Indexed or intermittent drive 832.2 ...Brake means to slow, stop or hold carrier belt 832.3 ....Brake means directly engages carrier belt 833 ...Carrier belt driven by contact with separate drive belt, or connected thereto by quick-release clamp 834 ...Wheel with radial teeth-engaging carrier belt or means connected therewith 835 ...Roller, wheel, or drum-engaging belt 836.1 ..Having load retainer or guide separate from carrier belt 836.2 ...Load retainer biases load transversely against carrier belt 836.3 ...Laterally adjustable or yieldable guides contact load 836.4 ...Replaceable modular guides for changing the conveying path cross-section 837 ..Support, guide, or hold-down means for carrier belt 838 ...Track which supports rollers attached to belt 839 ...Means twists carrier belt or guides it between angularly oriented horizontal reaches 840 ...Guide exerting lateral force on nonload-supporting belt surfacee 841 ...Means slidably supporting belt 842 ...Rotatable support or hold-down engaging non-load-carrying face of belt 843 ....Resilient 844.1 ..Carrier belt structure 844.2 ...Connection means joins ends of sheet-like belt 845 ...Carrier belt supported or guided by rotatable means attached thereto 846 ...Formed of or including a continuous member of sheet-like material (e.g., canvas, etc.) 847 ....Including separate reinforcing elements or plural sheet-formed plies 848 ...Formed of or including wire mesh, or rods hooked together at belt edges 849 ....Link belt attached to carrier belt 850 ...Formed of or including pivotally interconnected rigid links 851 ....Separate pins interconnect links 852 .....Links pivot about mutually perpendicular axes 853 .....Links having interfitted ends 860.1 CONVEYOR FRAME OR CASING 860.2 .Modules connectable end-to-end with no relative movement 860.3 .Casing, cover, shield or load supporting surface 860.4 ..Casing with door 860.5 ..Removable cover overlying the conveyor 861.1 .Adjustable conveyor frame or casing 861.2 ..Conveyor frame or casing flexes or pivots intermediate its ends to move one end relative to the other 861.3 ...Single horizontal pivot axis only 861.4 ..Entire conveyor pivots about horizontal and vertical axes 861.5 ..Entire conveyor pivots about horizontal axis 861.6 ..Entire conveyor pivots about vertical axis 866 MISCELLANEOUS * ****************************** * CROSS-REFERENCE ART COLLECTIONS * ****************************** 950 CONVEYER TRANSVERSES WALL APERTURE 951 TURNING CIGARETTES END-FOR-END 952 HEATING OR COOLING 953 COIL SPRING UNTANGLING APPARATUS 954 OVERFLOW 955 AIR MANIFOLD 956 IMPACT PLATES 957 CONVEYER MATERIAL 958 LOAD UNITS COUNTER 959 WEIGHING